buying guide

Mini Excavator Attachments: Complete Guide

AGT Equipment Team
7 min read
Quick Answer: Essential mini excavator attachments include digging buckets (12-36"), hydraulic thumbs (+30% capability), augers (post holes), and hammers (concrete breaking). Check pin size, hydraulic flow, and lift capacity before buying.

Essential Attachments

Digging Buckets

The standard attachment for any excavator. Available in widths from 12" to 36".

  • 12-18": Trenching, utility work
  • 24-30": General excavation, foundations
  • 36+": Mass excavation, grading

Hydraulic Thumbs

A thumb mounts opposite the bucket, allowing you to grab and move materials. Adds 30% more capability to your excavator.

Best for: Land clearing, debris removal, log handling

Augers

Drill holes for fence posts, tree planting, and footings. Requires auxiliary hydraulics.

Diameter options: 6", 9", 12", 18", 24"

Specialty Attachments

Hydraulic Hammers

Break concrete, asphalt, and rock. Sized by impact energy (ft-lbs).

  • 500-1,000 ft-lbs: 1-2 ton excavators
  • 2,000+ ft-lbs: 4-ton excavators

Rippers

Single-point tooth for breaking hard ground or prying up roots and rocks.

Grapples

Multi-tine grapple for handling brush, logs, and irregular materials.

Compatibility Checklist

Before buying an attachment, verify:

  • Pin size and bucket width match your machine
  • Hydraulic flow rate for hydraulic attachments
  • Operating weight within machine's lift capacity
  • Hitch type (pin-on, quick coupler)

Frequently Asked Questions